U.S. Air Force plans to replace the engines on its aging B-52H Stratofortresses

Boeing B-52H Stratofortress 60-0042 USAF

The USAF released a document in which it outlines the details concerning the replacement of the TF33 engines of 76 Boeing B-52H Stratofortress’. In the plan, at least 608 new turbofan engines will be bought. The refurbish programme of the Pratt & Whitney TF33s was rejected, as well as a cut from eight to four engines was rejected by the USAF. The 60 years old TF33 won’t make it up to 2030 so new powerplants are necessary. Target for the new turbofans is a decrease of fuel consumption by 20-40% without harming all current capabilities of the Buff (hopefully excluding the production of the – by us – beloved smoketrails…). With the engine replacement, the electrical power system of the B-52Hs must also be replaced.

It is expected that, after assigning the contract, it will take 17 (seventeen) years to complete the re-engine programme. Initial Operational Capability is expected by fiscal year 2029, with full operational capability in 2034. This modification could bring the operational service life of the B-52 up to 2055!

Currently, General Electric Aviation, Pratt & Whitney, Rolls Royce and the French company Safran are attracted as bidders in the very lucrative programme.

Release USAF